EXHIBIT 23.4

            Consent of Independent Registered Public Accounting Firm

The Board of Directors
NRG Energy, Inc.:

We consent to the incorporation by reference in this registration statement to
be filed on Form S-3 of NRG Energy, Inc. (the Company) of our report dated May
27, 2005, with respect to the consolidated balance sheet of NRG Northeast
Generating LLC as of December 31, 2004, and the related consolidated statements
of operations, member's equity and comprehensive income, and cash flows for the
year then ended, and the related financial statement schedule, which report is
included on Form 8-K dated June 15, 2005, which is incorporated by reference in
this registration statement. We also consent to the reference to our firm under
the heading "Experts" in this registration statement.

/s/ KPMG LLP

Philadelphia, Pennsylvania
December 20, 2005